b) x-intercepts: (-2, 0) & (6, 0) y-intercept : (0, 6) Standard form: Factored form: Vertex form: y = a ( x + 2 ) ( x - 6 ) 6 = 9 ( x + 2) ( X - 6 ) Vertex: 6 = 9 (2) ( -6 ) 4 = 20 - 6 Axis of sym.: + 6 12 = 29 2 2 c) y= -2(x + 1)(x - 3) Graph: Standard form: y = -2x2- 2x - 3) y= - 2x 2-2x- 3 y = - 2( x 2+ 1 x -.5) Y = - 2 ( x + . 5 ) 2- 2.5 Vertex form: = -2 (x+.5) 7-2.5 y = - 2(x+ 1 ) ( x - 3 ) 7 Y = -2x2- 2x - 3 y = - 2 x 2 - 3 x + 1x - 3- Vertex: (5,2.5) - 2 y-intercept: (0 1.5) X-intercepts: (-10) (3,0) 8= - 2(3) - 2(3 ) - 3 1 : - 6 2 - 6 - 3 0 = - 62-9 +9 +9 9 :-6 1.5